带扳手微启式安全阀浙江标一有限公司【带扳手微启式安全阀应用范围和结构概述】应用范围：带扳手微启式安全阀适用于工作温度≤350℃的蒸汽、空气等介质的设备或管路上。作为超压保护装置。连接法兰标准按JB/T-94的系列1。结构概述：1、弹簧微启式安全阀具有结构简单、密封性能好、开启压力准确、排放能力大、回座压差小、调整方便等特点。2、喷嘴型阀座：阀座为位伐尔喷嘴型阀座，蒸汽流经阀座出口处时达到音速，排放系数大，阀座密封面堆焊钴铬钨硬质合金，耐磨抗冲蚀，寿命长。3、热弹性阀瓣：阀瓣设计为热弹性结构，利用其在介质压力下微小的变形，提高密封能力，克服安全阀在介质压力下临近整定压力时的前泄现象。阀瓣密封面采用先进的激光淬火技术，提高了硬度、耐磨性、抗冲抗性。4、调节螺母：通过调整调节螺母，调整弹簧压缩量，使阀门能够很方便、很迅速地获得准确的整定压力。5、背压调整套：调整阀瓣背压的辅助机构，通过背压调整套调整，可获得合适的回座压差。上调时，使阀门背压降低。下调时，使阀门背压提高。【带扳手微启式安全阀结构图】【带扳手微启式安全阀主要零件材料】NO零件名称材料1阀体WCB2阀座ZG2Cr133调节圈ZG2Cr134阀瓣2Cr135导向套2Cr136阀盖ZG230-4507弹簧50CrVA8阀杆2Cr139扳手ZG200-40010调整螺杆4511保护罩ZG200-400密封面材料"H"堆焊D507,"Y"堆焊Co基硬质合金【带扳手微启式安全阀主要尺寸参数】型号公称通径doDKgg1bff1Z-ødDN'D1K1g2g'b1f'f1'Z1-ød1LL1≈HA47H-16C201510575551624-142010575551624-1410085270252011585651624-142511585651624-14100852703225140100781824-1832140100781824-181151003124032150110851834-1840150110851834-1812011032050401651251002034-18501651251002034-1813512039065501851451202034-18651851451202034-1814013039580652001601352038-18802001601352038-18160135400100802201801552238-181002201801552238-181701606001251002502101852238-181252502101852238-181901906201501252852402102438-231502852402102438-2320519562520015034029526526312-2320034029526526312-2324023079825020040535532030312-2625040535532030312-2635032098130025046041037530412-2630046041037530412-263503201005A47H-25201510575551624-142010575551624-1410085270252011585651624-142511585651624-14100852703225140100781824-1832140100781824-181151003124032150110851834-1840150110851834-1812011032050401651251002034-18501651251002034-1813512039065501851451202238-18651851451202034-1814013039580652001601352438-18802001601352038-18160135400100802301901602438-231002201801552038-181701606001251002702201882838-261252502101852238-181901906201501253002502183038-261502852402102438-2320519562520015036031027834312-2620034029526526312-2324023079825020042537033236312-3025040535532030312-2635032098130025048543039040416-3030046041037530412-263503201005A47H-40201510575515516244-142010575551624-1410085270252011585586516244-142511585651624-14100852703225140100667818244-1832140100781824-181151003124032150110768518344-1840150110851834-1812011032050401651258810020344-18501651251002034-18135120390655018514511012022348-18651851451202034-18140130395806520016012113522348-18802001601352038-18160135400100802351901501602434.58-231002201801552238-181701606001251002702201761882834.58-261252502101852238-181901906201501253002502042183034.58-261502852402102438-232051956252001503753202602823834.512-3020034029526526312-232402307982502004503853133454234.512-3425040535532030312-263503209813002505154503644084644.516-3430046041037530412-263503201005A47H-64A47Y-64201513090516820244-182010575555116244-14100953012520140100587822244-182511585655816244-14100953013225155110668224244-2332140100786618244-181151053124032170125769524344-234015011085